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Microsoft .NET Framework 4.5
The .NET Framework 4.5 includes significant language and framework enhancements for C#, Visual Basic, and F# (so that you can more easily write asynchronous...
What is .NET Framework? A software development framework | .NET
.NET Framework is a software development framework for building and running applications on Windows. Learn about its architecture, components, history...
Microsoft .NET Framework 3.5
New classes in .NET Framework 3.5 base class library (BCL) that address many common customer requests. IMPORTANT: If you have installed earlier pre-release...
.NET Framework release information - .NET Framework | Microsoft Learn
The .NET Framework updates include cumulative security and reliability improvements. We recommend that you apply updates as part of your regular maintenance...
Download .NET Framework 4.5 | .NET - dotnet.microsoft.com
Downloads for building and running applications with .NET Framework 4.5 . Get web installer, offline installer, and language pack downloads for .NET Framework.
.NET Framework 3.5 on Windows 11 FAQ | Microsoft Learn
This article answers frequently asked questions about .NET Framework 3.5 on Windows 11.
.NET Framework - Category | .NET Blog - devblogs.microsoft.com
A recap of the latest servicing updates for .NET and .NET Framework for June 2026.
Microsoft Update Catalog
Updates 7/8/2025 n/a 47.7 MB49966362 2025-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5056577) Windows 10...
.NET and .NET Framework July 2026 servicing releases updates
Welcome to our combined .NET servicing updates for July 2026. Let’s get into the latest release of .NET & .NET Framework, here is a quick overview of what’s...
Microsoft .NET Framework Repair Tool is available
The .NET Framework Repair Tool provides an option to repair the versions of .NET Framework that are installed on the computer (step 3 of the process in the...
The .NET Framework 4.7 offline installer for Windows
Describes the .NET Framework 4.7 offline installer for Windows 7 Service Pack 1 (SP1), Windows 8.1, Windows 10 Version 1607, Windows Server 2008 R2 SP1...